[jira] [Created] (OLINGO-1395) EDM parsing error when ReturnType element contains Annotation

["Daniel Fernández (Jira)" <ji...@apache.org>]

Daniel Fernández created OLINGO-1395:
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             Summary: EDM parsing error when ReturnType element contains Annotation
                 Key: OLINGO-1395
                 URL: https://issues.apache.org/jira/browse/OLINGO-1395
             Project: Olingo
          Issue Type: Bug
          Components: odata4-client
    Affects Versions: (Java) V4 4.6.0
            Reporter: Daniel Fernández


*Description*

The current EDM parsing infrastructure does not take into account the possibility that a {{<ReturnType>}} element contains an {{<Annotation>}}.

This causes that a structure such as this (from a Cognos TM1 service):
{code:xml}
<ReturnType Type="tm1.Hierarchy" Nullable="false">
	<Annotation Term="Core.Description">
		<String>The newly created all leaves hierarchy.</String>
	</Annotation>
</ReturnType>
{code}

...ends up messing the close tags, and closing the element containing the {{<ReturnType>}} before it should, causing the rest of the EDM to be ignored and the service being inaccessible.

*Cause*

The cause seems to be that the parsing code in the {{org.apache.olingo.client.core.edm.xml.ClientCsdlReturnType}} class does not include {{Annotation}} among the possible elements contained inside a {{ReturnType}}.

As can be seen in the spec at https://docs.oasis-open.org/odata/odata-csdl-xml/v4.01/csprd05/odata-csdl-xml-v4.01-csprd05.html#sec_ReturnType, the {{edm:ReturnType}} element may contain {{edm:Annotation}} elements.



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